Article 3 I1 Scotland For article 2(1)(b)(ii) (electricity generation) substitute—“(ii)the primary source of energy in such generation is biomass, the use of wind, wave, water, tidal or solar power, or the burning of refuse.”. Annotations Commencement I1 Art. 3 in force at 1.4.2019, see art. 1 ← Article 2 Article 3 Article 4 →